Speaker
Description
At Lawrence Berkeley National Laboratory, ongoing work is underway for the Advanced Light Source Upgrade (ALS-U), whose primary objective is to increase photon beam brightness by two orders of magnitude. Achieving this goal requires the delivery of a high-quality electron beam, along with the development of advanced diagnostics to monitor its properties, including beam size, position, current, energy spread, and bunch length. These diagnostics are essential for the tuning, commissioning, and reliable operation of the future facility. Presented here is a report on the development, testing, and characterization of Beam Position Monitors (BPMs), a critical diagnostic for the commissioning and operation of the ALS-U. Due to the complexity of the ALS-U storage ring and small beam size, these BPMs need to be carefully characterized to accurately measure the beam’s position. We performed precision measurements of the electrical properties of the BPMs and associated electronics across multiple units to evaluate fabrication consistency and verify matching performance across units. These measurements support the commissioning of the ALS-U storage ring by providing increased precision of the beam’s position, to help ensure compliance with the stringent requirements of the ALS-U.
Funding Agency
Work supported by the Director Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231
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